Air conditioner



FIG. 1 is a front, top, and right side perspective view of an air conditioner showing our new design, with the louvers in open position;

FIG. 2 is an enlarged front elevation view thereof with the louvers in closed position;

FIG. 3 is an enlarged top plan view thereof, with the louvers in closed position;

FIG. 4 is an enlarged left side elevation view thereof, with the louvers in closed position;

FIG. 5 is an enlarged right side elevation view thereof, with the louvers in closed position; and

FIG. 6 is an enlarged rear elevation view thereof.

The bottom plan view is a mirror image of the top plan view. 

The ornamental design for an air conditioner, as shown and described. 